Belonging to nowhere, Jung-cheol lives alone in a deep mountain like a non-existent being. One day, he hears a song that Ji-soo sings in a town square. Attracted by her voice, Jung-cheol follows behind her, and observes her everyday life, and learns how she has been.
Yeon-su, the police officer, is dispatched to an island and starts to witness strange situations. Yae-un, who lives in the island after she lost her parents when she was young, and the others´ behavior terrifies Yeon-su. Film director Park who constantly focused on stories related to human greed and collapse, deeply explores the guilt of human and the possibility of redemption again.